BROOKLYN - A police officer was stabbed in an apartment building Monday in Flatbush, according to officials.

Police were called to a woman's fourth-floor apartment at 145 East 18th St. for a disturbance around 11:30 a.m. Investigators say she threatened the responding officers with a kitchen knife and stabbed one of the officers, an NYPD lieutenant, in the left arm.

The officer was transported to Kings County Hospital and released Monday afternoon.